{"id":208164,"date":"2025-07-08T15:24:49","date_gmt":"2025-07-08T07:24:49","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208164\/"},"modified":"2025-07-08T15:24:49","modified_gmt":"2025-07-08T07:24:49","slug":"%e4%bd%bf%e7%94%a8%e5%88%87%e7%89%87%e5%8f%82%e6%95%b0%e6%8f%90%e4%ba%a4-sql-%e6%9f%a5%e8%af%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208164\/","title":{"rendered":"\u4f7f\u7528\u5207\u7247\u53c2\u6570\u63d0\u4ea4 SQL \u67e5\u8be2"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>\u4f7f\u7528\u5207\u7247\u53c2\u6570\u63d0\u4ea4 SQL \u67e5\u8be2<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-29 19:00:33<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300a\u4f7f\u7528\u5207\u7247\u53c2\u6570\u63d0\u4ea4 SQL \u67e5\u8be2\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u6709\u4e00\u4e2a\u96ea\u82b1\u67e5\u8be2\uff0c\u6211\u8bd5\u56fe\u66f4\u65b0\u6240\u6709\u9879\u76ee\u4e0a\u7684\u4e00\u4e2a\u5b57\u6bb5\uff0c\u5176\u4e2d\u53e6\u4e00\u4e2a\u5b57\u6bb5\u4f4d\u4e8e\u5217\u8868\u4e2d\uff0c\u8be5\u5217\u8868\u4f5c\u4e3a\u53d8\u91cf\u63d0\u4ea4\u7ed9\u67e5\u8be2\uff1a<\/p>\n<pre>update my_table set download_enabled = ? where provider_id = ? and symbol in (?)<\/pre>\n<p>\u6211\u5c1d\u8bd5\u4f7f\u7528 <code>gosnowflake.array<\/code> \u51fd\u6570\u6267\u884c\u6b64\u67e5\u8be2\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>enable := true\nprovider := 1\nquery := \"update my_table set download_enabled = ? where provider_id = ? and symbol in (?)\"\n\nif _, err := client.db.execcontext(ctx, query, enable, provider,\n    gosnowflake.array(assets)); err != nil {\n    fmt.printf(\"error: %v\", err)\n}<\/pre>\n<p>\u4f46\u662f\uff0c\u6b64\u4ee3\u7801\u5931\u8d25\u5e76\u51fa\u73b0\u4ee5\u4e0b\u9519\u8bef\uff1a<\/p>\n<pre>\n002099 (42601): SQL compilation error: Batch size of 1 for bind variable 1 not the same as previous size of 2.\n<\/pre>\n<p>\u90a3\u4e48\uff0c\u5982\u4f55\u5411 sql \u67e5\u8be2\u63d0\u4ea4\u4ee3\u8868\u503c\u5217\u8868\u7684\u53d8\u91cf\uff1f<\/p>\n<p> <\/p>\n<h2>\u6b63\u786e\u7b54\u6848<\/h2>\n<p> <\/p>\n<p>\u6211\u627e\u5230\u4e86\u4e00\u4e2a\u6f5c\u5728\u7684\u89e3\u51b3\u65b9\u6cd5\uff0c\u5373\u5c06\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u9879\u76ee\u4f5c\u4e3a\u5355\u72ec\u7684\u53c2\u6570\u663e\u5f0f\u63d0\u4ea4\uff1a<\/p>\n<pre>func Delimit(s string, sep string, count uint) string {\n    return strings.Repeat(s+sep, int(count)-1) + s\n}\n\nfunc doQuery(enable bool, provider int, assets ...string) error {\n    query := fmt.Sprintf(\"UPDATE my_table SET download_enabled = ? \" + \n        \"WHERE provider_id = ? AND symbol IN (%s)\", Delimit(\"?\", \", \", uint(len(assets))))\n\n    params := []interface{}{enable, provider}\n    for _, asset := range assets {\n        params = append(params, asset)\n    }\n\n    if _, err := client.db.ExecContext(ctx, query, params...); err != nil {\n        return err\n    }\n\n    return nil\n}<\/pre>\n<p>\u4e0d\u7528\u8bf4\uff0c\u8fd9\u662f\u4e00\u4e2a\u4e0d\u592a\u4f18\u96c5\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u4f46\u5b83\u786e\u5b9e\u6709\u6548\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u4f7f\u7528\u5207\u7247\u53c2\u6570\u63d0\u4ea4 SQL \u67e5\u8be2\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03Golang\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-208164","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208164","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=208164"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208164\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}